신규 rowsconst grid = btn.up('grid');const = grid.getStore();const newRecords = store.getNewRecords();수정된 rowsconst grid = btn.up('grid');const store = grid.getStore();const updatedRecords = store.getUpdatedRecords(); 신규 + 수정 rowsconst grid = btn.up('grid');const store = grid.getStore();const modifiedRecords = store.getModifiedRecords();선택된 rowsconst grid = btn.up('grid');const store = grid.getSto..

신규 row는 record.phantom=true { text: 'Age', dataIndex: 'age', flex: 1, renderer: function (value, metaData, record) { if (!record.phantom) { metaData.tdCls = 'non-editable'; } return value; }, editor: { xtype: 'numberfield', allowBl..

Name 컬럼은 신규 Row인 경우만 편집이 가능함defaultEditor가 null이기 때문에 설정을 해줘야 함신규 Row는 record.phantom=truecolumns: [ { text: 'Name', dataIndex: 'name', flex: 1, getEditor: function (record, defaultEditor) { defaultEditor = { editor: { xtype: 'textfield', allowBlank: false }, }; // Allow editing only for new rows return record.phantom ? defaultEditor : null; } }, { text: 'Age', dataI..

preserves user choice and flexibility where it is important.

원인const 변수의 값을 바꾸려고 할때 발생해결const를 let이나 var로 변경

일반적으로 프레임워크가 지정된 클래스의 인스턴스를 확인하거나 생성할 수 없을 때 발생합니다The error "Uncaught TypeError: c is not a constructor" typically occurs when an attempt is made to instantiate a class or object that does not exist or is not correctly defined. In the context of ExtJS, this can happen for various reasons. Here's how to diagnose and resolve the issue: